Catalytic gasification of Pittsburgh coal char by potassium sulphate and ferrous sulphate mixtures

  • Akyurtlu J
  • Akyurtlu A
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Abstract

The main objective of this investigation is to evaluate the catalytic activity of (K2SO4+ FeSO4) mixtures in the steam gasification of Pittsburgh coal char and to compare it with that of K2CO3. A catalyst composition corresponding to an atomic K/Fe ratio of 9 gave the highest conversion for the gasification of Pittsburgh coal (PSOC 1451) char with H2O/H2and H2O/N2mixtures, the conversion being higher than that with K2CO3in the case of H2O/N2-gasification. This behavior is attributed to the catalysis of the reduction of K2SO4by iron. The catalyst composition affects the product composition: CO selectivity in the product gas increases while CH4selectivity decreases with the potassium content of the catalyst mixture. © 1995.

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Authors

  • J. F. Akyurtlu

  • A. Akyurtlu

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